﻿using System;

/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
namespace Sys.Workflow.Engine.Impl.Cmd
{
    
    using Sys.Workflow.Engine.Impl.Interceptor;
    using Sys.Workflow.Engine.Impl.Persistence.Entity;
    using Sys.Workflow.Engine.Impl.Util;

    /// 
    [Serializable]
    public class SetTaskPriorityCmd : NeedsActiveTaskCmd<object>
    {

        private const long serialVersionUID = 1L;

        protected internal int priority;

        public SetTaskPriorityCmd(string taskId, int priority) : base(taskId)
        {
            this.priority = priority;
        }

        protected internal override object Execute(ICommandContext commandContext, ITaskEntity task)
        {
            task.Priority = priority;
            commandContext.HistoryManager.RecordTaskPriorityChange(task.Id, task.Priority);
            commandContext.TaskEntityManager.Update(task);

            return null;
        }

    }

}